在此 包裹抗体的囊泡 When it gets there, the bubble surrounding the antibody 与胞膜融合 抗体被排出细胞 _____ to the cell membrane. The cell _____ the antibody, 去追踪病毒 and it heads out to _____ down the virus. 残余囊泡被细胞溶酶体分解后 The _____ bubble will be broken down by the cell’s lysosomes 循环利用 and its pieces _____ over and over again.